Hourly Weather Forecast - Portola Valley, CA

12 AM
50°F
0%
2mph
SW
Partly Cloudy
Humidity
87%
Feels like
50°F
Dew Point
46°F
1 AM
49°F
10%
2mph
SW
Cloudy
Humidity
87%
Feels like
49°F
Dew Point
46°F
2 AM
48°F
10%
1mph
SW
Cloudy
Humidity
90%
Feels like
48°F
Dew Point
45°F
3 AM
48°F
10%
1mph
SW
Cloudy
Humidity
91%
Feels like
48°F
Dew Point
46°F
4 AM
48°F
0%
1mph
SW
Cloudy
Humidity
92%
Feels like
48°F
Dew Point
46°F
5 AM
48°F
0%
1mph
SW
Cloudy
Humidity
93%
Feels like
48°F
Dew Point
46°F
6 AM
49°F
0%
1mph
SW
Cloudy
Humidity
90%
Feels like
49°F
Dew Point
46°F
6:10 AM
7 AM
51°F
0%
1mph
SW
Partly Cloudy
Humidity
92%
Feels like
51°F
Dew Point
49°F
8 AM
54°F
10%
1mph
SW
Partly Cloudy
Humidity
86%
Feels like
54°F
Dew Point
50°F
9 AM
57°F
10%
1mph
WSW
Partly Cloudy
Humidity
77%
Feels like
57°F
Dew Point
49°F
10 AM
58°F
0%
2mph
WSW
Mostly Cloudy
Humidity
74%
Feels like
58°F
Dew Point
50°F
11 AM
59°F
10%
2mph
WSW
Mostly Cloudy
Humidity
72%
Feels like
59°F
Dew Point
50°F
12 PM
59°F
10%
3mph
WSW
Mostly Cloudy
Humidity
71%
Feels like
59°F
Dew Point
50°F
1 PM
59°F
10%
4mph
WSW
Mostly Cloudy
Humidity
72%
Feels like
59°F
Dew Point
50°F
2 PM
59°F
10%
5mph
WSW
Mostly Cloudy
Humidity
71%
Feels like
59°F
Dew Point
50°F
3 PM
59°F
0%
5mph
WSW
Mostly Cloudy
Humidity
70%
Feels like
59°F
Dew Point
49°F
4 PM
59°F
10%
5mph
WSW
Cloudy
Humidity
69%
Feels like
59°F
Dew Point
49°F
5 PM
58°F
10%
5mph
WSW
Cloudy
Humidity
64%
Feels like
58°F
Dew Point
46°F
6 PM
57°F
20%
5mph
W
Cloudy
Humidity
66%
Feels like
57°F
Dew Point
46°F
7 PM
55°F
20%
4mph
W
Cloudy
Humidity
71%
Feels like
55°F
Dew Point
46°F
8 PM
53°F
30%
4mph
W
30% Chance of Light Rain
Humidity
76%
Feels like
53°F
Dew Point
46°F
8:01 PM
9 PM
52°F
30%
4mph
W
30% Chance of Light Rain
Humidity
79%
Feels like
52°F
Dew Point
46°F
10 PM
51°F
30%
3mph
W
30% Chance of Light Rain
Humidity
82%
Feels like
51°F
Dew Point
45°F
11 PM
50°F
30%
3mph
W
30% Chance of Light Rain
Humidity
86%
Feels like
50°F
Dew Point
46°F

Today's Weather Outlook

Today's Weather Outlook

A warmer, quieter spring pattern spreads across much of the country today as dry weather approaches more regions.

Weekly Drought Map for April 30th, 2026

Latest Drought Update: Deep Drought Continues

(Image provided by Manfred Richter via Pixabay.com)

Plant Care: What to Do When Frosts and Freezes Occur

Featured image via Pixabay.com

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Debris from the Tuscaloosa-Birmingham tornado. Source: National Weather Service in Birmingham, Alabama

Remembering the Tuscaloosa-Birmingham Tornado

A thunderstorm is seen in the Plains. (Courtesy of Pixabay.com)

Spring Weather Hazards: Excessive Heat to Blizzards

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